The Alexis Boa delivers it all: Fit, performance, comfort, stability, you name it. They are the choice for skaters looking to make skating a part of their workout routine. The revolutionary Boa Closure System separates the F.I.T. 84 Boa and Alexis Boa from the competition. With the ability to dial in your fit with the Boa Closure System and upgrade wheel size to 90mm, you have yourself the ultimate fitness skate.